UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fZl5gXBPt/zrcJyZVWKiWBzef5nw3z7xAZPCLUMMv+4=' 
WHERE 
  key_id = '1c896fd8708e41dd40e7155eacfcf9532ccd0c76fec8daa8d6a0303abbe0f41d' 
  AND (
    token = 'fZl5gXBPt/zrcJyZVWKiWBzef5nw3z7xAZPCLUMMv+4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )